Perturbation theory of quantum solitons: continuum evolution and optimum squeezing by spectral filtering
Optics Letters, Vol. 24, Issue 1, pp. 43-45 (1999)
http://dx.doi.org/10.1364/OL.24.000043
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Abstract
We study the quantum-noise properties of spectrally filtered solitons in optical fibers. Perturbation theory, including a quantum description of the continuum, is used to derive a complete analytical expression for the second-order correlator of the amplitude quadrature. This correlator is subsequently used to optimize the frequency response of the filter numerically in order to achieve the minimum photon-number noise. For propagation distances up to three soliton periods, the length at which the best noise reduction occurs, a square filter is found to be approximately optimum. For longer distances, more-complicated filter shapes are predicted for the best noise reduction.
© 1999 Optical Society of America
[Optical Society of America ]
OCIS Codes
(060.5530) Fiber optics and optical communications : Pulse propagation and temporal solitons
(270.6570) Quantum optics : Squeezed states
Citation
Dmitry Levandovsky, Michael Vasilyev, and Prem Kumar, "Perturbation theory of quantum solitons: continuum evolution and optimum squeezing by spectral filtering," Opt. Lett. 24, 43-45 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-1-43
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